Some users have recently had their accounts hijacked. It seems that the now defunct EVGA forums might have compromised your password there and seems many are using the same PW here. We would suggest you UPDATE YOUR PASSWORD and TURN ON 2FA for your account here to further secure it. None of the compromised accounts had 2FA turned on.
Once you have enabled 2FA, your account will be updated soon to show a badge, letting other members know that you use 2FA to protect your account. This should be beneficial for everyone that uses FSFT.
I think it just depends on how much you're willing to spend. The X1600XT is about 20% slower than the 6800GS, but it also costs about 20% less.
There are a few other things, like the X1600XT might perform significantly better with future updates, and it has better image quality options, but...
Slightly OT, but...
I'm about to build a new PC and I've been looking at the X1600XT as a good mix of features and performance for the price. I'm interested in keeping a Crossfire setup open as an upgrade path. Because I'm trying to keep the costs quite modest, I was initially looking at an...